Welcome to our survey!

Hi! We are a research team of George Washington University. This survey will ask you simple questions regarding your purchase preference for used cars.

This survey will take about 10 minutes to complete. It can be stopped and picked up at any time. Your personal information will be kept private and won’t be shared with anyone else. The survey is subdivided in six sub-sections:

• Current vehicle information

• Future vehicle information

• Vehicle fuel type choice questions

• Electric vehicle choice questions

• Knowledge of electric vehicles

• Demographic Information

We greatly appreciate your participation!

Consent

Informed Consent for Participation in a Research Study

You are invited to participate in a research study directed by Dr. John Paul Helveston of the Department of Engineering Management and Systems Engineering at George Washington University (GWU) and funded by the Department of Energy. Participation is entirely voluntary and you may obtain further information regarding this study by contacting us at gwuvehiclegroup7@gmail.com .

The purpose of this study is to identify the preferences and needs of car ownership in different communities. If you choose to participate in this study, you will be asked to answer an online survey about vehicle ownership and preference. The total amount of time you will spend on this study is 10 minutes. You may refuse to answer any of the questions and stop participating at any time.

Benefits : The most important reason why someone would like to participate in this study is that they can share their vehicle usage needs and help inform policies that decide incentives on EV ownership. You will not benefit directly from your participation in the study. However, the benefits to science and humankind that might result from this study include implementing electric vehicle subsidy policies that are more in tune with people’s requirements.

Concerns/Risks : You may not choose to volunteer for this study if you do not want to share information about your vehicle usage. Possible risks or discomforts you could experience during this study include: - Although very unlikely, there is a risk of email address information being compromised if it is shared and in case our systems are compromised. - Psychological stress could be caused by the time and effort spent answering the survey.

Confidentiality : Every effort will be made to keep your information confidential. However, this cannot be guaranteed. The data will be stored in a secured online database which only the PI and student researcher can access. If the results of this research study are reported in journals or at scientific meetings, the people who participated in this study will not be named or identified.

Additional Information : The Office of Human Research of George Washington University, at telephone number (202) 994-2715, can provide further information about your rights as a research participant.Your willingness to participate in this research study is implied if you proceed.

Participation to this survey is voluntary. To take a part in this survey, you must:

• Be at least 18 years old.
• Authorize us to analyze the data exclusively for research purposes.

By clicking on “I Agree”, you confirm that you have reviewed and understood the information provided in the welcome page and this consent page, and agree to participate in the “Car Ownership Survey”.

This study is about the purchase of your next vehicle.

To your best estimate, when will you likely need to purchase your next vehicle?

Within the next 3 months

In 3-6 months

In 6-12 months

In 1-2 years

After 2 years

I'm not sure

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Are you interested in buying a new or used vehicle?

New vehicle only

Used vehicle only

I’m looking at both markets

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Which vehicle body style would you consider for your next vehicle?

Car / sedan / hatchback

SUV / crossover

Minivan / van

Truck

Other

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Section 1 of 6

Below are some questions about your household.

Let’s begin with the vehicles in your household.
- Please consider all passenger vehicles – including cars, SUVs, vans, and trucks – but exclude motorcycles.
- Your household includes all the persons who occupy the housing unit as their usual place of residence.
- The table below describes each type of passenger vehicle.

Types of Powertrain	Powertrain Definition	Examples
Conventional	Gasoline or other liquid-fuel engine, such as diesel or flex-fuel.	Honda Civic, Ford Explorer
Gas hybrid electric vehicle (HEV)	Smaller gasoline engine + electric motor + small battery. Gasoline engine recharges the battery to improve fuel efficiency.	Toyota Prius, Ford Escape Hybrid
Plug-in hybrid electric vehicle (PHEV)	Hybrid that can also be plugged into an electrical outlet to charge the battery. Runs on electricity for a short range (10 – 40 miles), then switches to gasoline.	Kia Niro, Toyota RAV4 Prime
Battery electric vehicle (BEV)	Electric motor only. Must be plugged into an electrical outlet to be refueled.	Nissan Leaf, Tesla Model Y

How many passenger vehicles are currently owned or leased by your household?

0

1

2

3

4

5

6 or more

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Which of the following types of vehicles are currently owned or leased by your household? Select all that apply.

Conventional

Gas hybrid

Plug-in hybrid

Battery electric

Other

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Do you have access to an electrical outlet where your vehicle is typically parked at your primary residence or workplace?

Yes

No

I'm not sure

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Do any of your neighbors own or lease a plug-in hybrid or a battery electric vehicle?

Yes

No

I'm not sure

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Section 1 of 6

Below are some questions about the household vehicle you currently drive most often.

Please answer to the best of your knowledge.

What is the fuel type of this vehicle?

Conventional

Gas hybrid

Plug-in hybrid

Battery electric

Other

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Was this vehicle obtained as a new or used vehicle?

New

Used

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How was this vehicle obtained?

Bought from a dealership

Leased from a dealership

Bought from a private seller

Received it as a gift

Do not remember / do not know

Other

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To your best estimate, what was the total purchase or lease price for this vehicle? Please include all related expenses (such as down payment, monthly payments, taxes, fees, etc.), but do not include any trade-in value or credits from selling another vehicle.

$4,999 or less

$5,000 - $9,999

$10,000 - $14,999

$15,000 - $19,999

$20,000 - $24,999

$25,000 - $29,999

$30,000 - $34,999

$35,000 - $39,999

$40,000 - $44,999

$45,000 - $49,999

$50,000 - $59,999

$60,000 - $69,999

$70,000 - $79,999

$80,000 - $89,999

$90,000 - $99,999

$100,000 or more

Do not remember / do not know

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What is your current monthly payment for this vehicle?

Paid in full/ No loan

$99 or less

$100 - $199

$200 - $299

$300 - $399

$400 - $499

$500 - $599

$600 - $699

$700 - $799

$800 - $899

$900 - $999

$1,000 or more

Do not remember / do not know

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What is the average gas mileage (in miles per gallon, MPG) of this vehicle? Please provide your best estimate.

9.99 MPG or less

10 - 19.99 MPG

20 - 29.99 MPG

30 - 39.99 MPG

40 - 49.99 MPG

50 - 59.99 MPG

60 MPG or more

I'm not sure

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How often do you refuel or recharge this vehicle?

Once a month

Once in two weeks

Once a week

Twice a week

Three times a week

Four times a week

Five or more times a week

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How many miles can this vehicle travel on a full tank or full charge?

49 miles or less

50 - 99 miles

100 - 149 miles

150 - 199 miles

200 - 249 miles

250 - 299 miles

300 - 349 miles

350 miles or more

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Section 2 of 6

This section asks a few questions about your future vehicle.

You indicated earlier that you are interested in a used for your next vehicle.

What is your budget for the vehicle?

$4,999 or less

$5,000 - $9,999

$10,000 - $14,999

$15,000 - $19,999

$20,000 - $24,999

$25,000 - $29,999

$30,000 - $34,999

$35,000 - $39,999

$40,000 - $44,999

$45,000 - $49,999

$50,000 or more

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How do you intend to pay for the vehicle?

Pay in full

Finance

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How likely are you to purchase the following types of vehicles as your next vehicle?

	Very unlikely	Somewhat unlikely	Neither likely nor unlikely	Somewhat likely	Very likely
New plug-in hybrid vehicle	Very unlikely Somewhat unlikely Neither likely nor unlikely Somewhat likely Very likely *
Used plug-in hybrid vehicle	Very unlikely Somewhat unlikely Neither likely nor unlikely Somewhat likely Very likely *
New battery electric vehicle	Very unlikely Somewhat unlikely Neither likely nor unlikely Somewhat likely Very likely *
Used battery electric vehicle	Very unlikely Somewhat unlikely Neither likely nor unlikely Somewhat likely Very likely *

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You mentioned that you are unlikely to purchase a battery electric vehicle as your next vehicle. What is your biggest concern or reason for this?

*

*

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Section 3 of 6

Vehicle Educational Page

Great Work! Now that you have shared a bit about yourself, we’d like you to consider a scenario in which you can choose a used vehicle from a set of vehicles with different attributes.

Let’s learn about the attributes.

Types of Powertrain	Powertrain Definition	Examples
Conventional	Gasoline or other liquid-fuel engine, such as diesel or flex-fuel.	Honda Civic, Ford Explorer
Gas hybrid electric vehicle (HEV)	Smaller gasoline engine + electric motor + small battery. Gasoline engine recharges the battery to improve fuel efficiency.	Toyota Prius, Ford Escape Hybrid
Plug-in hybrid electric vehicle (PHEV)	Hybrid that can also be plugged into an electrical outlet to charge the battery. Runs on electricity for a short range (10 – 40 miles), then switches to gasoline.	Kia Niro, Toyota RAV4 Prime
Battery electric vehicle (BEV)	Electric motor only. Must be plugged into an electrical outlet to be refueled.	Nissan Leaf, Tesla Model Y

	Range - The maximum distance a vehicle can travel in a full tank/ fully charged battery.
	Purchase price - The total price for the vehicle (in dollars), including down payment, monthly payments, taxes, fees, etc.
	Model Year - The actual year the vehicle was made.
	Mileage - The number of miles a vehicle has traveled.
	Operating Cost (Equivalent Gasoline Fuel Efficiency) - Cost in cents per mile driven of fueling the vehicle. The equivalent fuel efficiency in miles per gallon (MPG) of a conventional gasoline vehicle is displayed in parenthesis.

Vehicle Choice Question Demonstration

We will now begin the choice tasks. We will show you six choice questions, starting on the next page. Below is an example of the type of questions you will be asked.

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Question 1 of 6

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Question 2 of 6

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Question 3 of 6

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Question 4 of 6

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Question 5 of 6

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Question 6 of 6

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Section 4 of 6

Battery Educational Page

Next, we’d like you to consider a scenario in which you can choose a used battery electric vehicle (BEV) from a set of BEVs with different attributes. Please review some important facts about BEVs and their batteries.

Vehicle Driving Range and Battery Health - EV batteries gradually lose capacity over time (battery degradation), which reduces the vehicle’s driving range and increases charging time. - The condition of an EV battery is often described using State of Health (SOH), expressed as a percentage.

Section 4 of 6

Battery Educational Page

Next, we’d like you to consider a scenario in which you can choose a used battery electric vehicle (BEV) from a set of BEVs with different attributes. Please review some important facts about BEVs and their batteries.

	Vehicle Driving Range and Battery Health - EV batteries gradually lose capacity over time (battery degradation), which reduces the vehicle’s driving range and increases charging time. - The condition of an EV battery is often described using State of Health (SOH), expressed as a percentage.
	Battery Maintenance - Battery replacements are rare but can be expensive, costing between $7,000 and $20,000 depending on the model and labor costs. - However, most modern EV batteries are designed to last the lifetime of the vehicle under normal use.
	Warranty Coverage - BEVs come with a battery warranty of at least 8 years or 100,000 miles, whichever comes first.- Many batteries continue to perform well beyond the warranty period, though some performance degradation is expected over time. - Most manufacturers will replace the battery when the SOH falls below 70-75% while under warranty.

Battery Educational Page

Let’s take a moment to learn about the specific attributes of the BEVs that you’ll see in the upcoming choices.

	Mileage - The number of miles a vehicle has traveled.
	Purchase price - The total price for the vehicle (in dollars), including down payment, monthly payments, taxes, fees, etc.
	Battery refurbishment history - The repair or replacement work that has been done on the vehicle’s main battery.
	Electric range - The maximum distance (in miles) the vehicle can travel on a full battery charge, under typical driving conditions. Battery State-of-Health - How much (in percentages) of the battery’s original capacity remains.

Battery Choice Question Demonstration

We will now show you six choice questions, starting on the next page. For all choice questions, please assume the used vehicle was built in 2022 and is currently three years old.

Below is an example of the type of questions you will be asked.

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Question 1 of 6

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Question 2 of 6

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Question 3 of 6

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Question 4 of 6

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Question 5 of 6

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Question 6 of 6

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How important are the following attributes to you when selecting a battery electric vehicle?

	Not at all	Slightly	Moderately	Very	Extremely
Vehicle mileage	Not at all Slightly Moderately Very Extremely *
Vehicle price	Not at all Slightly Moderately Very Extremely *
Battery Refurbishment history	Not at all Slightly Moderately Very Extremely *
Battery range and health	Not at all Slightly Moderately Very Extremely *

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Section 5 of 6

Below are a few questions about electric vehicles which we will only use for analyzing our survey data.

Please select which vehicle(s) can run on gasoline. Select all that apply.

Gas hybrid electric vehicle

Plug-in hybrid electric vehicle

Battery electric vehicle

I’m not sure

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Please select which vehicles can be plugged-in. Select all that apply.

Gas hybrid electric vehicle

Plug-in hybrid electric vehicle

Battery electric vehicle

I’m not sure

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Can you name the make and model of atleast one vehicle powered completely by electricity (a battery electric vehicle)?

Yes

No

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Please name the make and model of the vehicle.

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To the best of your knowledge, what is the maximum federal tax credit currently available in the US for purchasing a new electric vehicle

$1,000

$2,500

$5,000

$7,500

$10,000

I'm not sure

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Section 6 of 6

Demographic information

We’re almost done! We’d just like to ask just a few more questions about you which we will only use for analyzing our survey data.

What is your year of birth?

Choose an option... 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007

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What is your gender?

Female

Male

Non Binary

Transgender

Gender Nonconforming

Other

Prefer not to answer

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Are you of Hispanic, Latino or Spanish origin?

Yes

No

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Which race/ethnicity best describes you? Select all that apply.

American Indian or Alaskan Native

Asian

Black or African American

Middle Eastern and North African (MENA)

Native Hawaiian or other Pacific Islander

White

Some other race

Do not know / prefer not to answer

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Including yourself, how many people live in your household?

1

2

3

4

5

More than 5

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Which of the following categories best describes your current employment status? Select all that apply.

I am a part-time or full-time student

Employed, working fewer than 40 hours per week

Employed, working 40 or more hours per week

Not employed, looking for work

Not employed, NOT looking for work

Retired

Disabled, not able to work

Prefer not to answer

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Which of the following categories best represents your total household income?

$14,999 or less

$15,000 - $29,999

$30,000 - $39,999

$40,000 - $49,999

$50,000 - $59,999

$60,000 - $74,999

$75,000 - $99,999

$100,000 - $124,999

$125,000 - $149,999

$150,000 - $174,999

$175,000 - $199,999

$200,000 - $249,999

$250,000 or more

Prefer not to answer

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What is the last grade or level of school you have completed? If currently enrolled, please use the highest degree received.

Less than a high school diploma

High school degree or equivalent (e.g. GED)

Some college - but less than two years of college

Some college - two years or more/A.A. degree

Technical or trade school

College graduate/bachelor's degree/B.A./B.S.

Postgraduate courses

Master's degree

M.B.A. or law degree

Ph.D. or M.D

Prefer not to answer

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In which type of housing do you currently live?

Single family house not attached to any other house

Single family house attached to one or more houses (townhouse, rowhome, condo, duplex, triplex, etc.)

A mobile home or trailer

Building with 2-4 apartments/condos/studios

Building with 5-19 apartments/condos/studios

Building with 20 or more apartments/condos/studios

Boat, RV, van, etc.

Other

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Do you own or rent the current place you are living in?

Own

Rent

Other

Do not know / prefer not to answer

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What is your monthly electricity bill on an average?

$0 - $99

$100 - $199

$200 - $299

$300 - $399

$400 - $499

$500 or more

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How would you describe your political views?

Very conservative

Conservative

Moderate

Liberal

Very liberal

Prefer not to say

Other

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Which political party do you typically vote for?

Democratic

Republican

I am independent

Prefer not to answer

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What is the zip code of your primary residence? Please provide a 5-digit number.

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This is the last page in the survey. Thanks for taking our survey!

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